28941990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 93768192

約数和(自身を除く): 64826202

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 42, 51, 55, 66, 67, 70, 77, 85, 102, 105, 110, 119, 121, 134, 154, 165, 170, 187, 201, 210, 231, 238, 242, 255, 330, 335, 357, 363, 374, 385, 402, 462, 469, 510, 561, 595, 605, 670, 714, 726, 737, 770, 847, 935, 938, 1005, 1122, 1139, 1155, 1190, 1210, 1309, 1407, 1474, 1694, 1785, 1815, 1870, 2010, 2057, 2211, 2278, 2310, 2345, 2541, 2618, 2805, 2814, 3417, 3570, 3630, 3685, 3927, 4114, 4235, 4422, 4690, 5082, 5159, 5610, 5695, 6171, 6545, 6834, 7035, 7370, 7854, 7973, 8107, 8470, 10285, 10318, 11055, 11390, 12342, 12529, 12705, 13090, 14070, 14399, 15477, 15946, 16214, 17085, 19635, 20570, 22110, 23919, 24321, 25058, 25410, 25795, 28798, 30855, 30954, 34170, 37587, 39270, 39865, 40535, 43197, 47838, 48642, 51590, 56749, 61710, 62645, 71995, 75174, 77385, 79730, 81070, 86394, 87703, 113498, 119595, 121605, 125290, 137819, 143990, 154770, 170247, 175406, 187935, 215985, 239190, 243210, 263109, 275638, 283745, 340494, 375870, 413457, 431970, 438515, 526218, 567490, 689095, 826914, 851235, 877030, 964733, 1315545, 1378190, 1702470, 1929466, 2067285, 2631090, 2894199, 4134570, 4823665, 5788398, 9647330, 14470995, 28941990]

約数ペア:

[(1, 28941990), (2, 14470995), (3, 9647330), (5, 5788398), (6, 4823665), (7, 4134570), (10, 2894199), (11, 2631090), (14, 2067285), (15, 1929466), (17, 1702470), (21, 1378190), (22, 1315545), (30, 964733), (33, 877030), (34, 851235), (35, 826914), (42, 689095), (51, 567490), (55, 526218), (66, 438515), (67, 431970), (70, 413457), (77, 375870), (85, 340494), (102, 283745), (105, 275638), (110, 263109), (119, 243210), (121, 239190), (134, 215985), (154, 187935), (165, 175406), (170, 170247), (187, 154770), (201, 143990), (210, 137819), (231, 125290), (238, 121605), (242, 119595), (255, 113498), (330, 87703), (335, 86394), (357, 81070), (363, 79730), (374, 77385), (385, 75174), (402, 71995), (462, 62645), (469, 61710), (510, 56749), (561, 51590), (595, 48642), (605, 47838), (670, 43197), (714, 40535), (726, 39865), (737, 39270), (770, 37587), (847, 34170), (935, 30954), (938, 30855), (1005, 28798), (1122, 25795), (1139, 25410), (1155, 25058), (1190, 24321), (1210, 23919), (1309, 22110), (1407, 20570), (1474, 19635), (1694, 17085), (1785, 16214), (1815, 15946), (1870, 15477), (2010, 14399), (2057, 14070), (2211, 13090), (2278, 12705), (2310, 12529), (2345, 12342), (2541, 11390), (2618, 11055), (2805, 10318), (2814, 10285), (3417, 8470), (3570, 8107), (3630, 7973), (3685, 7854), (3927, 7370), (4114, 7035), (4235, 6834), (4422, 6545), (4690, 6171), (5082, 5695), (5159, 5610)]